How to make a "RichTextBox" ?

:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By Nehkko
:warning: Old Version Published before Godot 3 was released.

I want to have a node that behaves like a RichTextBox in WinForms (VisualStudio).
In this node user can write text and edit it (italic, bold, color, font, size,…).
How to do that ?